JASC 4900

Service difficulty reports · 1,840

Reports filed under 4900 · Airborne Auxiliary Power Unit (APU) System, newest first.

Query with SQL
duckdb -csv -c "SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
  FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
  WHERE jasc_code = '4900'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR QXEA2018101500365Unknown · malfunctionedRECEIVED APU FAIL AFTER FIRST START ATTEMPT. AFTER WAITING 5 MINUTES WE TRIED STARTING A SECOND TIME. DURING START GROUND CREW REPORTED SMOKE AND FLAME. NO INDICATION OF FIRE IN FLIGHT DECK. REMOVED FROM SERVICE. CDS SHOWS NO CURRENT FAULTS. C/W APU START PROCOct 15, 2018 · Bombdr DHC8402SDR AALA201810099010Apu · leakingDURING CLIMB OUT, SMELLED AN ODOR OF DIRTY SOCKS. SHORT TIME LATER FLIGHT ATTENDANTS CALLED TO REPORT OF THE SAME ODOR. THE AIRCRAFT WAS GROUNDED. ACCOMPLISHED INITIAL TROUBLESHOOTING IAW J/C 26L00021001, AND J/C 26L00021002. DETERMINED THE APU TO BE TOct 7, 2018 · N767UW · Airbus A319112SDR UIEA2018100502187Unknown · malfunctionedAPU WOULD NOT START. PERFORMED ECU BIT FOUND IGNITION UNIT FAULT FOR LAST RUN. PERFORMED OPS CHECK OF THE APU NO FAULTS FOUND AT THIS TIME. OK FOR CONTINUED SERVICE IAW AMM 49-11-00.Oct 5, 2018 · N1511A · Boeing 767383SDR UIEA2018100502188Unknown · malfunctionedAPU FAULT 2 ATTEMPTS NO START. PERFORMED 3 SUCCESSFUL APU STARTS WITH NO DEFECTS NOTED IN REF TO AMM 49-11-00, PERFORMED BITE TEST PER FIM 49-11 FT 987, NO FAULTS NOTED AT THIS TIME.Oct 5, 2018 · N1499A · Boeing 767328SDR UIEA2018092702084Unknown · malfunctionedUPON LANDING APU WOULD NOT START ATTEMPTED 2 TIMES APU FAULT. PERFORMED BITE TEST OF ECU NO FAULTS AT THIS TIME NO PROBLEM IAW AMM 49-11-00. OPS CHECK OK.Sep 26, 2018 · N1361A · Boeing 76731BSDR ASAA2018092625263Apu · malfunctionedATTEMPTED TO START APU, GOT CLIMBING HIGH EGT WITH NO SUCCESSFUL START, WITH REVERBERATING NOISE. CURRENT CODE 49-94226. LOW OIL PRESSURE SWITCH SHOWS OPEN CIRCUIT, NO FAULT LIGHTS ILLUMINATED. GROUNDED - YES. VISUALLY INSP TAILCONE, NO DEFECTS NOTED. OIL LEVESep 25, 2018 · N583AS · Boeing 737890SDR UIEA2018092502060Fuse · defectiveAPU INOP. AFTER APU START UP, ENGINE SHUTDOWN NO APU BLEED PRESSURE. REMOVED AND REPLACED GROUND INTERLOCK FUSES IAW SWPM 20-84-18, APU/FUNCTION NORMALLY AT THIS TIME.Sep 24, 2018 · N1499A · Boeing 767328SDR P5CA2018092650295Tru · inoperativeREF MDDR # 100039 APU TRU INOP (NOTE ITEM OPENED ON LP 917871 23SEP18 )(<P>REMOVED AND REPLACED APU START TRU THEN PERFORMED OPERATIONAL CHECK NORMAL PER A.M.M 24-32-04/401. CLEARED MDDR 100039 MCC NOTIFIED.</P>)Sep 23, 2018 · N644GT · Boeing 7673JHFSDR AALA2018091979068Cooling Fan · defectiveDURING APPROACH, THE FLIGHT CREW REPORTED A MUSTY, OILY ODOR IN THE CABIN. FLIGHT CONTINUED, LANDED AND TAXIED TO GATE NORMAL. THE AIRCRAFT WAS GROUNDED. ACCOMPLISHED JC 26L00021001, AND JC 26L00021002. FOUND APU COOLING FAN TO BE SOURCE OF THE CABIN ODOSep 15, 2018 · N830AW · Airbus A319132SDR AALA201809049043Apu · leakingSMOKE ODOR IN THE CABIN. THE AIRCRAFT WAS GROUNDED. BEGAN TROUBLESHOOTING THE ODOR, ACCOMPLISHING JC 26L00021001 AND APU ODOR JC 26L00021002. APU FOUND TO BE SOURCE OF CABIN ODOR. REPLACED APU IAW JC 26L31049003.Sep 3, 2018 · N105UW · Airbus A320214SDR AALA2018090649052Unknown · odorTAKEOFF WAS WITH APU BLEED ON HAD AN ODOR. ODOR DISSIPATED WHEN APU BLEED WAS TURNED OFF. ODOR FILLED ENTIRE ACFT STARTED AT ROTATION. TOGA TAKE OFF WAS USED AND APU ON. ACCOMPLISHED MCM CARD 05-96-86/ 05-96-70/ 05-96-85 AND NO ODOR REPORTED. OK FOR SERVICSep 2, 2018 · N118NN · Airbus A321231SDR AALA2018090649032Apu · odorDURING DESCENT, ENGINE IDLE HAD STRONG DIRTY SOCK ODOR IN THE FLIGHT DECK ONLY. THE AIRCRAFT WAS GROUNDED. COMPLIED WITH JC 26L00021001, 26L00021002, 26L00021004, AND 26L00021005. R & R BOTH PACKS OZONE FILTERS, CONDENSORS, REHEATERS, AND WATER EXTRACTORSep 1, 2018 · N747UW · Airbus A319112SDR AALA2018090509011Apu · odorFLIGHT ATTENDANTS REPORTED A STRONG DIRTY SOCK ODOR, WORSE MID TO AFT CABIN. APU WAS RUNNING. FOUND APU TO BE CAUSE OF ODOR. THE AIRCRAFT WAS GROUNDED. REPLACED THE APU ASSEMBLY IAW JC 26L31049003, AND EA 284276.Aug 28, 2018 · N975UY · Airbus A321231SDR HALA0218082100392Filter · activatedAFTER STARTING APU. APU FAULT ECAM MESSAGE, SHUT DOWN THE APU IAW ECAM. ECAM MESSAGE, LUBE PUMP FILTER & GEN SCAV FILTER 5100KT9. INSPECTED BOTH OIL LUBE FILTER AND GEN SCAV FILTERS IAW TSM 49-62-00-810-916-A. NO FINDINGS OF METAL. DPI ON LUBE FILTER TRIPAug 20, 2018 · N396HA · Airbus A330243SDR AALA2018082309033Apu · odorAPU FOUND TO BE SOURCE OF CABIN ODOR. CLEANED HYDRAULIC SPILLAGE, ACCOMPLISHED CABIN ODOR TROUBLESHOOTING IAW J/C 26L0002. 1002 PLUS ECS DECONTAMINATION PER J/C 26L00021004. THE AIRCRAFT WAS GROUNDED.Aug 18, 2018 · N749US · Airbus A319112SDR AALA2018081759014Apu · leakingTOXIC ODOR IN AIRCRAFT THAT IS MORE PREVALENT IN THE COCKPIT. THE PREVIOUS FLIGHT CREW REPORTED THE ODOR STARTED ON TAXI INTO GATE. AIRCRAFT WAS GROUNDED. ACCOMPLISHED CARDS 26L00021001 AND 26L00021002. FOUND THE APU TO BE SOURCE OF THE ODOR. REPLACED AAug 14, 2018 · N747UW · Airbus A319112SDR F3LA2018081400387Apu · odorDIRTY SOCK OR BURNING OIL ODOR NOTICED BY ALL CREW MEMEBERS WHEN BOARDING THE ACFT. ODOR NOTICED IN COCKPIT AND ENTIRE CABIN. BLEED CONFIGURATION, APU BLEED ON, NR 2 PACK ON, NR 1 PACK OFF. PERFORMED TSM 05-50-00-810-831-A. CAUSE INDICATED TO BE APU AND PAug 11, 2018 · N216FR · Airbus A320214SDR UIEA2018080601629Unknown · malfunctionedAPU FAULT EICAS MESSAGE ON TAXI IN, APU WOULD NOT START. PERFORMED FIM 49-11 FT 987, BITE TEST, NO FAULTS NOTED, PREVIOUS FAULT A/C START CIRCUIT, OPS CHECK IAW AMM 49-11-00. OPS CHECK NORMAL, NO FAULTS ON BITE.Aug 7, 2018 · N1361A · Boeing 76731BSDR AALA2018080869020Apu · leakingDIRTY SOCK ODOR, FOUND APU INOPERATIVE AND CAUSE OF CABIN ODOR. AIRCRAFT WAS GROUNDED. REPLACED THE APU JC 26L31049003. NO ODOR DURING APU OPERATIONS AFTER REPLACEMENT.Aug 3, 2018 · N753US · Airbus A319112SDR AALA2018080219015Unknown · odorEXPERIENCED A SOF EVENT. AIRCRAFT WAS GROUNDED. MAINTENANCE ACCOMPLISHED SOF JC 26L00021001 AND 26L00021002, APU WAS FOUND TO BE SOURCE OF ODOR. FOUND OIL IN INLET AND PLENUM/DIFFUSER WITH NO EXTERNAL OIL LEAKS ON APU, SUSPECTED INTERNAL OIL LEAK IN APU. Jul 28, 2018 · N753US · Airbus A319112SDR WX0A2018080273364Apu · contaminatedDIRTY SOCK ODOR IN THE CABIN DURING DESCENT. FOUND AND CLEANED OIL FOUND IN THE APU COMPARTMENT AROUND INLET SEAL. OPEN.Jul 27, 2018 · N310NV · Airbus A319112SDR UIEA2018072601564Unknown · malfunctionedAPU WONT START ON GROUND DID NOT TRY INFLIGHT. ACCOMPLISHED BITE OF APU AS PER FIM 49-11 FT 987, NO FAULTS FOUND. APU OPS CHECK GOOD PER AMM 49-11-00.Jul 26, 2018 · N1361A · Boeing 76731BSDR HALA2018072400339Apu · odorDIRTY SOCK ODOR AFTER ENGINE SHUTDOWN, STRONG IN ALL AREAS, ALSO LESS ODOR WHILE DESCENDING THROUGH A CLOUD LAYER. PERFORMED TSM TASK 21-00-00-810-801-A. PERFORMED A NR 1 AND 2 ENGINES RUNS. ISOLATED ODOR, ORIGINATING FROM APU BLEED. REPLACED APU IAW TASK Jul 23, 2018 · N383HA · Airbus A330243SDR WX0A2018072373358Apu · odorSTRONG MUSTY ODOR DETECTED DURING DESCENT. R & R THE APU.Jul 19, 2018 · N328NV · Airbus A319111SDR AALA2018071989031Cooling Fan · faultyWITH APU BLEED ON, THERE WAS A STRONG OIL ODOR IN THE COCKPIT. AIRCRAFT WAS GROUNDED. MAINTENANCE ACCOMPLISHED TROUBLESHOOTING AND DECONTAMINATION, CLEANED APU LOAD COMPRESSOR AND PERFORMED SATISFACTORY OPS CHECK.Jul 16, 2018 · N837AW · Airbus A319132SDR HALA2018070200320Apu · malfunctionedAPU FAULT AUTO SHUTDOWN. CMC REVIEWED. PFR SHOWS APU LP VALVE (4QF). TSM 28-29-00-810-801-A CONSULTED. APU MASTER SWITCH AND APU RESET OK. APU STARTED NORMALLY IAW AMM 49-00-00-710-801-A.Jul 1, 2018 · N378HA · Airbus A330243SDR HALA2018062100293Thermocouple · malfunctionedDURING CLIMB OUT, A LEVEL 2 APU EGT HIGH LIGHT ILLUMINATED INTERMITTENT. APU THERMOCOUPLE 1 OPEN CIRCUIT MESSAGE. REMOVED AND REPLACED NR 1 APU THERMOCOUPLE IAW AMM 49-72-02. OPS AND RTS CHECKED GOOD.Jun 20, 2018 · N480HA · Boeing 717200SDR WX0A2018061573336Apu · contaminatedDIRTY SOCK ODOR DURING DESCENT. FOUND APU COMPLETELY SOAKED IN OIL. PERFORMED AND COMPLETED A DECONTAMINATION OR THE ENVIRONMENTAL CONTROL SYSTEM. REPLACED BOTH RECIRCULATION FILTERS.Jun 13, 2018 · N229NV · Airbus A320214SDR WX0A2018061273332Apu · odorFLT ATT REPORTED A DIRTY SOCK ODOR DURING DESCENT. CLEANED THE APU COMPARTMENT, PROPERLY ADJUSTED APU DRAIN SPRING, R & R THE APU AIR INTAKE ELBOW SEALS AND RECIRCULATION FILTERS.Jun 11, 2018 · N226NV · Airbus A320214SDR AALA2018061289019Apu · odorODOR IN CABIN, REPORTED BY FLIGHT ATTENDANT, AFT AND REPORTED A DIRTY SOCK ODOR DURING DESCENT. ACCOMPLISHED J/C 26L00021001 AND J/C 26L00021002, FOUND APU TO BE SOURCE OF CABIN ODOR. THE AIRCRAFT WAS GROUNDED.Jun 7, 2018 · N654AW · Airbus A320232SDR ASAA2018061165005Apu · malfunctionedAPU DID NOT START ON GROUND, FAULT LIGHT ILLUMINATED AND EXTINGUISHED AFTER 5 MINUTES IAW THE QRH. ACFT GROUNDED. ATTEMPTED START ON GROUND . APU STARTED NORMALLY. APU ENGINE PARAMETERS AND READINGS ARE NORMAL. NO ACFT HISTORY. FOUND MESSAGE 49-41011, NO FJun 6, 2018 · N435AS · Boeing 737990ERSDR ASAA2018061164968Apu · malfunctionedAPU FAULT LIGHT WHEN START ATTEMPTED DURING TAXI IN. ACCOMPLISHED QRH PROCEEDING ATTEMPTED ANOTHER START WHEN THE FAULT LIGHT WHEN OUT APU FAULT LIGHT ILLUMINATED AGAIN, OBSERVED NO EGT RISE PRIOR TO FAULT LIGHT ILLUMINATING. GROUNDED - YES. ACCOMPLISHED APJun 6, 2018 · N512AS · Boeing 737890SDR AALA2018060109003Filter · odorACRID ODOR OF OIL IN THE COCKPIT AND FORWARD CABIN DURING DESCENT. TURNED THE BLOWER OFF, INCREASED THE ODOR IN THE COCKPIT. TURNED OFF THE PACK DISSIPATED THE ODOR GREATLY. AIRCRAFT WAS GROUNDED. REPLACED AUXILLIARY POWER UNIT FILTERS IAW WC 3701. OPS CHMay 29, 2018 · N138AN · Airbus A321231SDR AALA2018053129011Apu · leakingCABIN ODOR PRIOR TO FLIGHT. AIRCRAFT WAS GROUNDED. TROUBLESHOOT CABIN AIR QUALITY IAW JC 26L00021001. FOUND THE APU LEAKING. REPLACED THE APU IAW 26L31049005, OPS GOOD.May 25, 2018 · N801AW · Airbus A319132SDR UIEA2018052320934Control Unit · malfunctionedAPU INOPERATIVE. REMOVED AND REPLACED APU CONTROL UNIT IAW AMM 49-61-05, OPS CHECKED GOOD.May 22, 2018 · N1427A · Boeing 767306SDR AALA2018051769017Apu · odorROTTEN EGG, DIRTY SOCK ODOR REPORTED IN CABIN, AIR CONDITIONER R2 DOOR, LESSER EXTENT IN 1ST CLASS AND COCKPIT AREAS. THEN AFTER LANDING A FUEL/OIL ODOR WAS DETECTED. FOUND SOURCE OF CABIN ODOR TO BE APU. ACCOMPLISHED 10 MIN HIGH POWER ENGINE RUN WITH PACKS May 15, 2018 · N189UW · Airbus A321211SDR UIEA201805160870Relay · malfunctionedAPU AUTO SHUTDOWN. APU INLET DOOR OPEN RELAY K547 REMOVED AND REPLACED IAW SWPM 20-81-22, REV 67, AND APU STARTING AND SHUTDOWN, OPS CHECKED GOOD IAW AMM 49-11-00, REV 124.May 11, 2018 · N661GT · Boeing 76736NSDR UIEA201804250784Apu · inoperativeAPU INOPERATIVE.Apr 24, 2018 · N1229A · Boeing 767306SDR UIEA2018042400773Ecu · inoperativeAPU INOPERATIVE. REMOVED AND REPLACED THE ECU IAW AMM 49-61-05, OPS CHECKED GOOD. PERFORMED A BITE CHECK OF THE ECU IAW AMM 49-61-05, NO DEFECTS NOTED.Apr 24, 2018 · N1373A · Boeing 76731KSDR AALA201804279027Apu · odorFUMES, ODOR IN CABIN, REPORTED BY FLIGHT ATTENDANTS. AIRCRAFT WAS GROUNDED. MAINTENANCE ACCOMPLISHED APU REMOVAL AND INSTALLATION, NO CABIN ODOR NOTED AND PERFORMED SATISFACTORY OPERATIONAL CHECK.Apr 23, 2018 · N741UW · Airbus A319112SDR FDEA201804201068Apu · failedAPU AUTOSHUT DOWN, NOTICED SMOKE FROM THE SURGE VENTS. DISCHARGED THE NR 1 FIRE EXTINGUISHER FROM THE APU FIRE PANEL. SMOKE IMMEDIATELY STOPPED. REMOVED AND REPLACED THE APU ASSY IAW WIC 49T1001.Apr 20, 2018 · N584FE · Doug MD11FSDR UIEA2018033000491Warning Message · false activationAPU FAULTED. PERFORMED AN APU BITE IAW FIM 49-11, FAULT TREE 958, NO DEFECTS NOTED. PERFORMED AN APU OPS CHECK IAW AMM 49-11-00 TWO TIMES, NO FAULTS NOTED, OPS CHECKED GOOD.Mar 30, 2018 · N1217A · Boeing 767375SDR UIEA2018032900473Apu · inoperativeAPU INOPERATIVE. REMOVED & REPLACED THE APU IAW AMM 49-11-01. OPS CHECKED GOOD. NO LEAKS DETECTED.Mar 29, 2018 · N1997A · Boeing 76733ASDR UIEA2018032700465Apu · malfunctionedDURING TAXI, IN ATTEMPTED APU START, THE APU FAULT EICAS MESSAGE AND APU SHUTDOWN. PERFORMED AN APU ECU BITE TEST IAW 49-61-05. OPS CHECKED GOOD. NO FAULTS NOTED.Mar 27, 2018 · N1997A · Boeing 76733ASDR GTIA2018032502542Unknown · odorARRIVING AT THE GATE, APU FUME EVENT IN COCKPIT. PERFORMED TSM 05-50-00-810-831-A, NO ODORS NOTED AFTER APU, AND BLEEDS 1 & 2 ISOLATION. AT 10 MINUTES EACH. NO FAULTS NOTED. ACFT OK FOR CONTINUED SERVICE.Mar 25, 2018 · N652NK · Airbus A320232SDR UIEA2018032400457Warning Message · false activationAPU FAULT EICAS MESSAGE ON TWO START ATTEMPTS AFTER LANDING. EGT NEVER ABOVE 775 AND RPM NEVER ABOVE 28. UNABLE TO DUPLICATED START NORMAL IAW AMM 49-21-00.Mar 24, 2018 · N1217A · Boeing 767375SDR UIEA2018032000445Warning Message · false activationAPU FAULT. PERFORMED APU BITE TEST, NO FAULTS NOTED. APU OPS CHECK COMPLIED WITH, NO FAULTS NOTED. OPS GOOD IAW AMM 49-05-00Mar 19, 2018 · N1997A · Boeing 76733ASDR ASAA2018030623784Apu · malfunctionedPILOT REPORTED APU WILL NOT START WITH BLUE MAINTENANCE LIGHT. ACFT GROUNDED. ACCOMPLISHED BITE CHECK IAW FIM 49-60 / 801. FOUND FAULT MESSAGE 49-41012, NO ROTATION SHUTDOWN, PERFORMED SUCCESSFUL GROUND START. APU OPS CHECKED NORMAL. NO HISTORY PAST 30 DAYSMar 6, 2018 · N592AS · Boeing 737890SDR GTIA2018030602494Apu · odorFUME EVENT ON GROUND AFTER TURNING APU BLEED ON AT GATE FA'S NOTICED A SMELL IN THE FORWARD PART OF THE CABIN. ( PACKS A320 WITH MOD 31283/MP P7125 (FWC H2-F1 STND) AND WITH MOD. 30626/MP K6443 (ENHANCED ECS) - FAULT CAUTIONS ASSOCIATED WITH OPERATIVE SIDE NOTMar 6, 2018 · N624NK · Airbus A320232SDR ASAA2018030123726Warning Light · false activationAPU MAINT LIGHT ILLUMINATED. ACFT GROUNDED. CHECKED THE OIL LEVEL AND FOUND TO BE FULL. BITE CHECKED THE APU IAW FIM 49-60-801. NO FAULTS FOUND. GROUND VERIFICATION OF APU GOOD. OK FOR SERVICE.Mar 1, 2018 · N453AS · Boeing 737990ER
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